<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>在此处插入标题</title>
</head>
<body>
	<center>
		<br><br>
		<form action="userServlet" method ="post">
			username:<input type="text" name="username"/>
			<input type="submit" value="查询"/>
		</form>
	</center>
</body>
</html>